Question about Acer Aspire M1641-U1521A PC Desktop

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Moniter not rebooting when pc is switched on

When moniter is plugged into tower thier is no nothing comes on screen as if monitor is not recieving signel from tower, also keyboard not working

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  • joecoolvette
    joecoolvette May 11, 2010

    Means computer is not working. No Video Signal to the monitor, no keyboard working. Acer's are known for cheap quality Power Supply's, and cheap quality Electrolytic Capacitors on the motherboard. If you have a bad power supply, more than likely it has a weak voltage power rail. There are three main voltages produced by the power supply. 3.3 Volts, 5 Volts, and 12 Volts. The 12 Volt power is the one to be most concerned with. The power supply is rated in Wattage to denote it's power. Voltage times Amperage = Wattage. Note* 1) ALL the lights use less than 1 Watt of power. 2) EACH fan uses 2 to 3 Watts. 3) A typical Processor uses 51 to 125 watts when operating at maximum capability. Depends on what processor it is. The Intel Pentium Dual Core E2180 can use up to 65 Watts.http://en.wikipedia.org/wiki/List_of_Int... Means if you have a bad power supply, your computer lights could come on, and fans could spin, but the Processor won't be working. No processor, no computer. No computer, no Video Signal to the monitor. Do you wish to know how to test the power supply? Do you have a multimeter, or a power supply tester? An inexpensive multimeter can be purchased for around $10 to $12. Most auto parts stores have them, and are but one place that carries them. An inexpensive power supply tester can be purchased for $20. Simply state so in a Comment.

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Check the pins in the monitor that plugs up to the back of the computer and see if they are bent.

Posted on May 01, 2010

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